Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual equipe selecionou Esa Tikkanen no draft?
 ###Tabelas: CREATE TABLE universities (universities_id AUTO_INCREMENT PRIMARY KEY, Members VARCHAR, Country VARCHAR, Year Established INT, World Rank by THE-WUR , 2013 VARCHAR, World Rank by ARWU , 2013 VARCHAR, World Rank by QS , 2013 VARCHAR) CREATE TABLE round_four (round_four_id AUTO_INCREMENT PRIMARY KEY, Pick # INT, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, NHL team VARCHAR, College/junior/club team VARCHAR) CREATE TABLE season_two_2009 (season_two_2009_id AUTO_INCREMENT PRIMARY KEY, Series # INT, Episode # INT, Title VARCHAR, Written by VARCHAR, Directed by VARCHAR, Viewers INT, Original airdate VARCHAR) CREATE TABLE suburbs (suburbs_id AUTO_INCREMENT PRIMARY KEY, Suburb VARCHAR, Population (in 2008) INT, Median age (in 2006) VARCHAR, Mean household size (in 2006) VARCHAR, Area (km²) VARCHAR, Density (/km²) INT, Date first settled as a suburb INT, Gazetted as a Division Name VARCHAR) CREATE TABLE recent_divisional_champions (recent_divisional_champions_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Premier Division VARCHAR, Division One VARCHAR, Division Two VARCHAR, Division Three VARCHAR)  
SELECT NHL team FROM round_four WHERE Player = Esa Tikkanen